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Is it true that $(\Bbb Z_n,\cdot)$, integers modulo $n$ under multiplication, is a group if and only if $n$ is prime? If it's true, why? How can I pr...
I mean to ask that, real numbers can be written in the form of constant polynomials like, 4x^0, 2x^0 etc. If all polynomial expressions are algebraic expr...
Trying to compile and use OpenFST on Ubuntu 13.10 leads to link errors like "undefined references to dlopen". How does one fix this? Searching online sugg...
![PhotoShop alternative for Ubuntu [duplicate]](https://edu.smbbmcl.edu.pk/uploads/photoshop-alternative-for-ubuntu-duplicate_720.jpg)
Possible Duplicate: Alternative to Photoshop or Paint.NET Hello. I am working in Ubuntu. I want to do some editing and drawing. On Windows I was using Ado...
![How to solve error communicating to TPM chip [closed]](https://edu.smbbmcl.edu.pk/uploads/how-to-solve-error-communicating-to-tpm-chip-closed_720.jpg)
I want to know how to enable TPM I found the TPM settings in the bios by I am not able to click.
I am using Ubuntu 20.04. When I execute the command: sudo apt-get install build-essential I get the output: Reading package lists... Done Building depende...
I need to take make a script that takes a particular log file in /var/log/ and puts it somewhere where I can easily get it (most likely a web or FTP serve...
I'm using PuTTY on Ubuntu 14.04 (Trusty Tahr) to connect to a serial port. I need to copy text from a PuTTY window to another window (for example, ge...
Let me explain what I had set up. I've been using pytube (Python module) to download videos from YouTube. I would then extract a few random frames fr...
Book says approximating even function $P_3$ must be of form $ax^2+b\ $so they neglected $x,x^3\ $. This function approximate even function $|x|^3$ very ni...
